Greatest Common Factor of 91, 20, 424

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 91, 20, 424 by common division method
• Greatest Common Factor of 91, 20, 424 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 424

List of positive integer factors of 424 that divides 424 without a remainder.

1,2,4,8,53,106,212,424

Greatest Common Factor

We found the factors 91,20,424 . The biggest common factor number is the GCF number.
So the greatest common factor 91,20,424 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 99, 51, 187
• GCF of 71, 77, 976
• GCF of 25, 89, 786
• GCF of 79, 96, 127
• GCF of 19, 66, 385

1. What is the GCF of 91, 20, 424?

Answer: GCF of 91, 20, 424 is 1.

2. How to Find the GCF of 91, 20, 424

Answer: Greatest Common Factor(GCF) of 91, 20, 424 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(91, 20, 424) = 1.